- Enables the connection of the industrial RS-485 interface to the PC computer through the USB port
- Maximum transmission rate up to 1Mb/s (this rate depends on RS-485 wire length)
- Transparent for communication protocols
- Galvanic separation protects computer USB ports.
- Transducers of P20H types are applied for the continuous conversion of d.c. voltage and d.c. current into a standard d.c. current, d.c. voltage signal or RS-485 digital signal.
- The device fulfills the requirements of III installation's category for the products designed to industrial application.
- Output signal galvanically isolated from the input signal and the supply.
The P17G passive separator in a housing of 6.2 mm width and supplied from a current loop, serves to the electric isolation and filtration of the 0(4)...20 mA standard signal value without an additional supply voltage.
- P20G separator assures full galvanic isolation of the input, output and auxiliary supply and matching of analog signals in automation systems.
- The device fulfills the requirements of III installation's category for the products designed to industrial application.
- Fully configurable through the PD14 programmer and free delivered software LPConfig. By means of the programmer, one can change the
- The P20 programmable transducer is designed to convert temperature, resistance, voltage from a shunt and standard signals into a constant-current or constant-voltage standard signal
- The output signal is galvanicaly isolated from the input signal and supply
- The transducer is fully configurable through the PD14 programmer and free LPConfig software.
- Primary current: 100...500 A or 300...800 A
- Secondary current: 5 A
- Hole diameter: 27 mm or 37 mm
- Hole depth: 45 mm
- Accuracy class: 1
- Measures power network parameters in 3-phase network 3 or 4-wire symmetrical or asymmetrical systems
- THD factor
- Outputs: 3 relays and 1 analog output (ND10), 1 relay and 3 analog outputs (+/-) (ND10A)
- Digital output: RS-485 MODBUS (option)
- Protection class for front side: IP65
- Supply: 85...253 VDC/VAC
- Backlit LCD display
- Dimensions: 96 x 96 x 77 mm
- T22CT can be used for network analysis, monitoring and measuring of non -sinusoidal and distorted networks AC current
- Variations of measuring current range (A): 0...50 / 100 / 150 / 200 / 250 / 300 / 400 / 500 / 600 / 750
- Output: 4…20 mA or 0…20 mA (Proportional change to input current)
- Frequency range of Measuring current: 50…60 Hz
- High electric isolation between primary conductor and output
- Mounting onto 35 mm DIN rail by means of optional supply of snap on mounting
- Auxiliary power supply: 24 V DC, ± 15%
- Protection class: IP20
- Operating temperature and Humidity: 0…+70 °C, 0...95% RH without condensation
- Temperature measurement range: -30...+80 °C
- Humidity measurement range: 0...100 %
- Output: RS-485 Modbus RTU
- Calculates absolute humidity and dew-point temperature
- Cable length: 2 m / 2 m with M8 connector / 5 m / 10 m
- Operating temperature: -20...+60 °C
- Supply: 9...28 VAC/VDC
Bimetallic ammeters BA27, BA39, BE27, BE39 indicate flowing current and maximal flown current. When the user presses the button on the front of ammeter, maximal current indication arrow returns to the actual value.
BE27 and BE39 additionally indicate average current of 8-15 minute timespan. They are fit to indicate thermal current indication in transformers, cables and other electric devices. Measuring range can be extended according to customer’s demand.
- Panel electromagnetic devices are designed to measure effective values of current and voltage
- The devices are fit to be mounted in up to 15 mm-thick panels
- Meter EB16 is mounted on 35 mm rail
- Tropical version is also available
- Ammeters for use with transformers (X/1A and X/5A) available
- Panel devices are designed to measure AC and DC current and voltage
- Those with P index have integrated rectifier which enables the device to measure effective currents and voltages
- Asymmetric form signal measurement accuracy depends on harmonic component levels
- The devices are fit to be mounted in up to 15 mm-thick panels
- Meter MB16 is mounted on 35 mm rail
- Tropical version is also available
- Ammeters for use with transformers (X/1A and X/5A) available
The mini-size multimeter has multiple functions, such as auto range, auto scan (SMART) and true RMS functions, which makes it more convenient and intelligent. Besides normal multimeter function, it also has the function of NCV test and LIVE wire test, which is convenient for field testing. Blacklight and Flashlight capabilities facilitate use in dark work environment.
- CAT III 600V
- TRMS
- AC/DC Voltage measurement: 400 mV…400 V
- AC/DC Current measurement 40 mA … 10 A
- Resistance measurement 400 mΩ … 40 MΩ
- Capacitance measurement 4 nF…4 mF
- Frequency measurement
- Temperature measurement -200…1200 °C
- Auto Scan function (SMART)
- HOLD function, Continuity test and Diode test
- Dimensions: 130 x 62 x 27 mm
The VA702 is a Volt/mA/TC Calibrator, designed as a source and measurement tool. It measures or outputs a 0 to 24 mA DC current loop, 0 to 20 V DC voltage, and supports thermocouple temperature measurements (model dependent). Note: The calibrator cannot measure and source simultaneously.
- Maximum voltage: 30V (between any jack and earth ground or between any two jacks)
- Storage temperature: -40℃ to 60℃
- Operating temperature: -10℃ to 50℃
- Operating altitude: Up to 2000 meters
- Temperature coefficient: ±0.01% of range per ℃ (for temperatures -10℃ to 18℃ and 28℃ to 55℃)
- Relative humidity:
- 95% up to 30℃
- 75% up to 40℃
- 45% up to 50℃
- 35% up to 55℃
- Power requirements: 6 x AAA batteries
- Size: 204mm (L) x 99mm (W) x 46mm (H)
- Weight: 460g (including battery)
The VA700 Loop Calibrator is a versatile source and measurement tool. It is designed to measure or output a 0 to 24 mA DC current loop and 0 to 20 V DC voltage. The calibrator cannot measure and source simultaneously.
- Maximum voltage: 30V (between any jack and earth ground or between any two jacks)
- Storage temperature: -40℃ to 60℃
- Operating temperature: -10℃ to 55℃
- Operating altitude: Up to 3000 meters
- Temperature coefficient: ±0.005% of range per ℃ (for temperatures -10℃ to 18℃ and 28℃ to 55℃)
- Relative humidity:
- 95% up to 30℃
- 75% up to 40℃
- 45% up to 50℃
- 35% up to 55℃
- Shock: Random 2g, 5Hz to 500Hz
- Safety: 1 meter drop test
- Power requirements: 6 x AAA batteries
- Size: 204mm (L) x 99mm (W) x 46mm (H)
- Weight: 460g (including battery)
The VA710 Thermocouple Calibrator is a high-accuracy handheld instrument for calibrating thermocouple instruments. It measures or simulates 8 types of thermocouples (°C or °F) and millivolts. It cannot measure and source simultaneously.
- Measure or simulate: Millivolt and 8 types of thermocouples (°C or °F)
- Display: Large 5-digit LCD with full-angle visibility
- Accuracy: Max. up to 0.3℃ and 0.025% for mV
- Maximum voltage: 30V (between any jack and earth ground or between any two jacks)
- Temperature coefficient: ±0.02%/℃ (from 0℃ to 18℃ and 28℃ to 50℃)
- Storage temperature: -40℃ to 60℃
- Operating temperature: 0℃ to 50℃
- Operating altitude: Up to 3000 meters
- Relative humidity:
- 95% up to 30℃
- 75% up to 40℃
- 45% up to 50℃
- Shock: Random 2g, 5Hz to 500Hz
- Safety: 1 meter drop test
- Fuse: F 0.125A/250V
- Power supply: 6 x AAA 1.5V batteries or Standard jack for external power supply
- Size: 205mm (L) x 98mm (W) x 46mm (H)
- Weight: 472g (including battery)
Single-phase commutator – controller RP7. The device can be used or circuit commutations. Can be used for resistive and inductive loads and single-phase motor speed control. Possible control with standard analog signal.
Other functions:
- Load current limiting
- Soft start
- Isolated inputs
- Load current control
- Fuse failure detection
- Overload indication
Converter PD8 is designed for data transfer from devices with RS-485 port to Ethernet network. The device comes in two versions. First version is used with network service Real Port. In this case, the Master role is taken by PC with installed software, creating a parallel port. Software (i.e. Lumel Energy) ensures data transfer between devices with RS-485 port and one PC.
Second version (parallel bridge with UDP protocol) enables the sextension of data transfer system using additional PD8 converters and local Ethernet network. Variant with two converters or one with many (max. 65) converts is available.
- Current (AC / DC) transducer T23CT with 4...20 mA output
- AC/DC current input (single option): up to 50 / 100 / 150 / 200 / 300 A
- Optional mounting on DIN rail
- Galvanic isolation
- Supply: 24 VDC
- Ambient temperature: -25...+55 °C
- Protection class: IP65, IP40 for terminals
Data logger PD22. The device is designed for usage in telemetric systems, to be located between a controller and slave devices. PD22 increases the data transfer speed and enables the system to contain more devices. Slave devices are connected to the RS-485 port (Port.1, MODBUS). System controller is connected to RS-485 or RS-232 (Port.2). Data logger has a real time clock and is mounted on 35 mm rail.
Recorder HT20 is designed for measurement and logging of ambient humidity and temperature.
- Especially suitable for server rooms, pharmaceutical and food warehouses, laboratories, museums and greenhouses
- Logged data is stored in the internal memory and then sent digitally to the user (over Ethernet)
- Alarms are formed by e-mails, on the webserver, using symbols on screen or via audible alarms
- HT20 can be powered by the Ethernet network (PoE – Power over Ethernet), additionally ordered
- FTP, DHCP, SMT, Modbus TCP/IP protocols
- The MQTT protocol is ideal for communication in distributed acquisition systems data (IoT applications)
- Especially suitable for server rooms, pharmaceutical and food warehouses, laboratories, museums and greenhouses
- Logged data is stored in the internal memory and then sent digitally to the user (over Ethernet)
- Alarms are formed by e-mails, on the webserver, using symbols on screen or via audible alarms
- HT20IoT can be powered by the Ethernet network (PoE – Power over Ethernet), additionally ordered
- FTP, DHCP, SMT, Modbus TCP/IP protocols
- Digital data logger KD8 with a colored touchscreen LCD display
- The device is designed for measurement and logging of parameters in industry, energy sector, control and monitoring systems
- Software for data analysis in PC
- 4-language menu, electronic signature for data protection
- Multimeter with backlit LCD screen (two shown values)
- Four versions: NP10-2, NP10-3, NP10-5, NP10-6 TRMS (see datasheet below)
- Capacity measurement from 1 pF to 40 mF
- AC and DC voltage measurement from 100 μV to 1000 V
- AC and DC current measurement from 10 μA to 10 A
- Resistance measurement from 100 mΩ to 60 MΩ
- Frequency measurement from 10 Hz to 10 MHz
- Diode measurement and continuity testing
- Hold function
- Relative measurement
- Duty cycle (%) measurement
- Temperature measurement (K type thermocouple) from 0 to 1300 °C
- Peak value measurement
- Digital multimeter with data logging view function (up to 32000 readings)
- Four versions: NP15-2, NP15-3, NP15-5, NP15-6 TRMS (see datasheet below)
- TRMS measurement
- Low input impedance
- Capacity measurement from 1 pF to 40 mF
- AC and DC voltage measurement up to 1000 V
- AC and DC current measurement up to 10 A
- Resistance measurement
- Frequency measurement
- Diode measurement and continuity testing
- Filtering
- Square wave signal generator
- Hold function, backlight, maximal and minimal value presentation
- External supply
- Duty cycle (%) measurement
- Temperature measurement (K, J type thermocouples, Pt100 and Pt1000)
- Automatic / manual range selection
- USB connectivity (optional)
- Digital multimeter for insulation resistance measurement
- Multimeter with backlit LCD screen
- AC and DC voltage measurement up to 1000 V
- AC and DC current measurement up to 300 mA
- Resistance measurement up to 30 mΩ
- Insulation resistance measurement up to 3 GΩ
- Capacitance measurement up to 30 μF
- Frequency measurement up to 100 kHz
- Fill factor measurement (%)
- Hold function
- Temperature measurement (Pt100 and Pt1000)
- Diode check
- Analog scale on screen
- Input:
- temperature:
- resistance thermometers: Pt100, Pt500, Pt1000
- thermocouples: J, K, N, E, R, S
- resistance: 400 ohm, 4000 ohm
- current: ± 20 mA
- voltage: 0…10 V, -10…60 mV
- temperature:
- Output: relay (4), analog (1), digital RS-485/MODBUS (1),
- Three-colour display - red, green and orange, programmable in three intervals of the measured value – facilitates the observation of measured value changes.
- digit height: 14 mm
- highlighted measuring unit
- Four alarm outputs with signaling on LED diodes operating in six different modes.
- Modern, simple and user-friendly service
- Communication interfaces: RS-485 Modbus Slave, Modbus TCP Slave and optionally Ethernet
- FTP server (available in controller versions with Ethernet interface)
- Selection of PID parameters for any unit
- For easy programming and devices configuration, LUMEL offers one common LPCon software
- Parameter logging on SD card
- Measurement of 85 power network parameters, including current and voltage harmonics up to 31st in 1-phase 2-wire or 3-phase 3 or 4-wire.
- Accuracy of active energy measurement 0.5S or 0.2S
- RS-485 (Modbus RTU) interface for remote monitoring of measured parameters
- The dual-tariff function for energy billing applications
- 2 relay outputs
- Pulse output: SO output as pulse or alarm
- 2 digital inputs as energy consumption, pulse counting and contact status
- Measured values displayed in 10 configurable screens
- Possibility programming of current and voltage ratio without restrictions as in MID-certified products
- Measurement inputs dedicated for x/1A and x/5A current transformers
- Power supply: 100…550 V a.c. / d.c.
- DIN rail mounted
Frequency meters CA32, CA36, CA37, CA39, CA39L are designed for frequency measurement in electrical grid. Transducer signal is measured using magnetoelectric effect. Tropical version available.
- Frequency range: 45...55, 45...65, 48...52, 55...65, 360...440, 380...420 Hz
- Voltage range: 60,100, 110, 230, 240, 400, 415, 440, 500 ± 20%
- Accuracy class: 0,5
- Consumed power: =< 7 VA
- Protection class: IP52 or IP65
- Standards conformed: EN61000-6-2, EN-61000-6-4, EN-61010-1
- Temperature range: 5...23...40 °C
At extra cost: 2 analog outputs (0...10V, 4...20mA), membranous filter, teflon filter, bronze filter.
The sensor changes measured parameters to an analog or a digital signal.
The P18L transducer is a device destined for the continuous measurement and conversion of relative humidity and ambient temperature into a standard analog signal 4...20mA.
- P18L transducer is supplied from a current loop.
- Applied sensor shields enable the application of the P18L transducer to operate in various ambient conditions.
- Universal input (for standard signals and temperature sensors)
- Alarm output
- OLED display
- Configuration via miniUSB connector
- Supply: 24 VDC or 230 VDC / VAC
- IP65 protection class
Digital, programmable indicator N30H for DC voltage, current, with RS-485 interface.
- Device is designed for DC (bi-polar) voltage, current measurement
- LED indicator colors: red, green, yellow (for 3 input value ranges)
- Device is programmed with buttons or via RS-485 port
- 4 alarm inputs in 6 modes
- Measurement value conversion into analog signal 0/4...20 mA arba 0...10 V
- Minimal and maximal value storing for all measurements
- Universal input for measuring temperature, resistance and standard signal
- 4 alarm outputs with signaling on LED diodes
- Digital output: RS-485 modbus (can be programmed through RS-485)
- Analog signal output: 0/4...20 mA or 0...10 V
- Two-line LCD display
- Mathematical functions for converting the measured value
- Protection grade: frontal side – IP65 / from terminal side – IP10
- Operating temperature: -25...23...55 °C
Digital programmable indicator N20 for temperature, DC voltage and current measurement. Measures J, K, Pt100 temperature sensors’ signals.
Programmable parameters:
- LED indicator color, which changes depending on input signal value: green, yellow and red
- Value limits
- Measurement unit indication
- Cold junction compensation (CJC)
- Compensation for Pt100 sensors
- Averaging time
- Individual characteristic
- 2 OC alarms in 6 modes
Digital programmable indicator N20Z for AC voltage, current and frequency measurement.
Programmable parameters:
- LED indicator color, which changes depending on input signal value: green, yellow and red
- Value limits
- Measurement unit indication
- Decimal point location
- Measured signal
- Averaging time
- Individual characteristic
- 2 OC alarms in 6 modes
Digital programmable indicator N24 for temperature, AC/DC voltage and current measurement. Measures J, K, Pt100 temperature sensors signals.
Programmable parameters:
- Value limits
- Decimal point place
- Measurement unit indication
- Cold junction compensation (CJC)
- Compensation for Pt100 sensors
- Averaging time
- Individual characteristic
- Universal input for standard signals and temperature sensors
- 14 mm height 5-symbol LED display
- 24 VDC output supply for other devices
- IP65 front protection class
- Operating temperature: -10...55 °C
Digital programmable indicator N30B with data logging function and RS-485 interface.
- LED indicator colors: red, green, yellow (for 3 input value ranges)
- Internal memory (up to 350064 records)
- Memory expansion up to 4 GB using a MMC/SC memory card
- RTC (real time clock) – with automatic time change
- Autonomic supply
- Digital, programmable pulse, frequency, motor revolutions, work time meter N30O with RS-485 interface
- Programmable with keys or via computer
- Digital, programmable power network parameter meter N30P with RS-485 interface
- Measures voltage, current, frequency, active, reactive power, cosφ, tgφ, energy consumption
- Programmable with keys or via computer
- Measurement of parameters: voltage, current, active, reactive and apparent power, cosφ, tgφ, frequency, active, reactive and apparent energy, active power 15 minutes, voltage 10 minutes
- Current and voltage harmonics analysis up to 51st (measurements available via RS-485)
- Programmable input:
- Current: 0…1 / 0…5A
- Voltage: 0…100V / 0…230V / 0…400V
- Output:
- Analog: 0/4...20 mA or 0...10 V
- Relays: 1 or 4
- Binary (OC)
- Digital output: RS-485 modbus (can be programmed through RS-485)
- Two-line LCD display
- Pulse output to measure energy consumption
- 4 alarm outputs with signaling on LED diodes, working in 7 different modes
- Conversion of any measured value into an analog signal 0/4...20 mA or 0...10V
- Protection grade: frontal side – IP65 / from terminal side – IP10
- Operating temperature: -25...23...55 °C
- Voltage measurement ± 600 V, current measurement via shunt, power, energy and capacity measurement of d.c. circuits
- 4 alarm outputs with signaling on led diodes, working in 7 different modes
- Analog outputs: 0/4...20 mA or 0...10 V
- Digital output: RS-485 / MODBUS RTU
- Two-line LCD display
- Protection grade: frontal side – IP65 / from terminal side – IP10
- Operating temperature: -25...23...55 °C
N19Z meter measures AC voltage and current. The meter is designed to work in 3-phase networks or 1-phase networks.
- Nominal input voltage: 300 or 600 V 1 phase / 100…500 V 3 phase
- Nominal input current: 1A or 5A
- True RMS measurement (up to 15th Harmonic)
- On site programmable PT/CT ratios
- User selectable 3ph3wire or 3ph4wire Network (for 3ph)
- Onsite selection of Auto scroll / Fixed Screen (for 3ph)
- 4 Digits 14mm ultra bright LED Display
- Protection: IP54 front / IP20 back
- Parameter Screen recall: In case of power failure, the instrument memorizes the last displayed screen
- Accuracy: ±0.5% of nominal value
- Inputs: Pt100, Pt1000, 0…4000 Ω, TC (E, J, K, N, R, S), -75…310 mV, -10…10 V, -24…24 mA, potentiometer
- Relay output: 1 x NO contact, load-carrying capacity 6A / 250 V AC.; 6A / 30V DC
- Digital output: RS-485 / MODBUS RTU
- Auxiliary supply: 24 V DC / 24 mA
- Mathematical functions for converting the measured value
- Two-line LCD display (1-row 6 digits, 2-row 5 digits)
- Protection grade: frontal side – IP65 / from terminal side – IP10
- Operating temperature: -20...23...60 °C
- Power supply: 40… 253 VAC / 20…300 V D
Digital meters – bargraphs NA3, NA5, NA6,measurement of DC voltage, current, resistance and temperature measurement (with thermal sensors J, K, N, E, R, S, T, Pt100, Pt500, Pt1000).


